Final answer:
The correct pronouns to complete the sentence are 'le, le'
Step-by-step explanation:
The correct pronouns to complete the sentence are le, le.
El médico habla le y yo hablo al médico.
In this sentence, 'le' is used as the indirect object pronoun to replace 'al médico' (to the doctor) and 'le' is also used as the indirect object pronoun to replace 'yo' (I).
Learn more about pronouns in Spanish